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gpio-amd8111: add release_region on ioport_map failure 

Commit ffe4770b9b ("gpio-amd8111: check ioport_map return value")
adds the error check on ioport_map(). It doesnt release the requested region.

On failure this patch release the region that has requested before.

Signed-off-by: Varka Bhadram <varkab@cdac.in>
Reported-by: Alexandre Courbot <gnurou@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Varka Bhadram 2015-01-19 13:35:48 +05:30 committed by Linus Walleij
parent a0b66e3f5a
commit 5138585852
1 changed files with 1 additions and 0 deletions
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1
drivers/gpio/gpio-amd8111.c
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@ -215,6 +215,7 @@ found:
gp.pm = ioport_map(gp.pmbase + PMBASE_OFFSET, PMBASE_SIZE);
if (!gp.pm) {
dev_err(&pdev->dev, "Couldn't map io port into io memory\n");
release_region(gp.pmbase + PMBASE_OFFSET, PMBASE_SIZE);
err = -ENOMEM;
goto out;
}